extern "C" int main(int argc, char* argv[])
{
PDirWatch dirWatch1;
PDirWatch dirWatch2;
DirWatchNotifications notifications;
signal(SIGINT, onsig);
if (0 != dir_watch_Add("/home/shore/lab/test/c/fam", dirWatch1))
{
std::cerr << "dir_watch_Add fail" << std::endl;
return EXIT_FAILURE;
}
std::cout << "dirWatch1 OK" << std::endl;
if (0 != dir_watch_Add("/home/shore/lab/test/c", dirWatch2))
{
std::cerr << "dir_watch_Add fail" << std::endl;
return EXIT_FAILURE;
}
std::cout << "dirWatch2 OK" << std::endl;
std::cout << "dir_watch_Add OK" << std::endl;
do {
sleep(4);
if (0 != dir_watch_Poll(notifications))
{
std::cerr << "dir_watch_Poll fail" << std::endl;
return EXIT_FAILURE;
}
for(size_t i = 0; i < notifications.size(); ++i)
{
std::cout << notifications[i].Pathname() << std::endl;
switch(notifications[i].Type())
{
case DirWatchNotification::Created:
std::cout << "event:Created" << std::endl;
break;
case DirWatchNotification::Deleted:
std::cout << "event:Deleted" << std::endl;
break;
case DirWatchNotification::Changed:
std::cout << "event:Changed" << std::endl;
break;
}
}
if (notifications.size() > 0)
notifications.clear();
else
std::cout << "nothing fetched" << std::endl;
} while(true);
dirWatch1.reset();
dirWatch2.reset();
return 0;
}
Status dir_watch_Poll(DirWatchNotifications& notifications)
{
if ( g_Stream == NULL )
{
g_Stream = CreateEventStream( g_RootPaths );
}
else
{
for ( DirWatchNotifications::iterator it = g_QueuedDirs.begin() ; it != g_QueuedDirs.end(); ++it)
notifications.push_back(DirWatchNotification( *it ));
g_QueuedDirs.clear();
}
return INFO::OK;
}
static void fsevent_callback(
ConstFSEventStreamRef UNUSED(streamRef),
void * UNUSED(clientCallBackInfo),
size_t numEvents,
void *eventPaths,
const FSEventStreamEventFlags eventFlags[],
const FSEventStreamEventId UNUSED(eventIds)[] )
{
unsigned long i;
char **paths = (char **)eventPaths;
for (i=0; i<numEvents; i++)
{
bool isWatched = false;
OsPath eventPath = OsPath(paths[i]);
unsigned long eventType = eventFlags[i];
if ( eventPath.Filename().string().c_str()[0] != '.' )
{
for ( DirWatchMap::iterator it = g_Paths.begin() ; it != g_Paths.end(); ++it)
if ( path_is_subpath( it->path.string().c_str(), eventPath.string().c_str() ) )
isWatched = true;
}
if ( ! isWatched )
return;
OsPath filename = Path( eventPath.string().c_str() );
if ( eventType & kFSEventStreamEventFlagItemIsFile)
{
if ( eventType & kFSEventStreamEventFlagItemRemoved )
g_QueuedDirs.push_back(DirWatchNotification( filename.string().c_str(), DirWatchNotification::Deleted ));
else if ( eventType & kFSEventStreamEventFlagItemRenamed )
g_QueuedDirs.push_back(DirWatchNotification( filename.string().c_str(), DirWatchNotification::Deleted ));
else if ( eventType & kFSEventStreamEventFlagItemCreated )
g_QueuedDirs.push_back(DirWatchNotification( filename.string().c_str(), DirWatchNotification::Created ));
else if ( eventType & kFSEventStreamEventFlagItemModified )
g_QueuedDirs.push_back(DirWatchNotification( filename.string().c_str(), DirWatchNotification::Changed ));
}
}
}
Status dir_watch_Poll(DirWatchNotifications& notifications)
{
if(initialized == -1)
return ERR::FAIL; // NOWARN
if(!initialized) // XXX Fix Atlas instead of suppressing the warning
return ERR::FAIL; //WARN_RETURN(ERR::LOGIC);
std::vector<NotificationEvent> polled_notifications;
pthread_mutex_lock(&g_mutex);
g_notifications.swap(polled_notifications);
pthread_mutex_unlock(&g_mutex);
for(size_t i = 0; i < polled_notifications.size(); ++i)
{
DirWatchNotification::EType type;
// TODO: code is actually a bitmask, so this is slightly incorrect
switch(polled_notifications[i].code)
{
case IN_CLOSE_WRITE:
type = DirWatchNotification::Changed;
break;
case IN_CREATE:
type = DirWatchNotification::Created;
break;
case IN_DELETE:
type = DirWatchNotification::Deleted;
break;
default:
continue;
}
DirWatchMap::iterator it = g_paths.find(polled_notifications[i].wd);
if(it != g_paths.end())
{
OsPath filename = Path(OsString(it->second->path).append(polled_notifications[i].filename));
notifications.push_back(DirWatchNotification(filename, type));
}
else
{
debug_printf("dir_watch_Poll: Notification with invalid watch descriptor wd=%d\n", polled_notifications[i].wd);
}
}
// nothing new; try again later
return INFO::OK;
}
